Scarlett Johansson and Sean PennIt has been reported that Scarlett Johansson and Sean Penn have split.

PEOPLE is quoting a source who is saying that the Johansson and Penn are no longer dating.

The reason for the split is not known and the reps of the stars declined to comment when asked about the breakup.

There has been some speculation about the couple's relationship status when Johansson did not attend the Cannes Film Festival with Penn, whose movie 'The Tree of Life' premiered at the festival and won the prestigious Palme d'Or award.